What is true about global action on pollution control?

Multiple Choice

The $1992$ Earth Summit in Rio de Janeiro resulted in agreements with every attending nation to reduce carbon emissions.

The Paris Accord in $2014$ included reducing carbon emissions but did not address the rising global temperatures.

The cooperation of all nations to reduce carbon emissions means significant progress is being made.

The United States is not currently part of the Paris Accord.

The United States and China struck a deal under which both countries agreed to potentially significant reductions in carbon emissions.